<eq name="data.watched" value="1">
    <a data-goods_id="{$data.id}" data-role="watch" class="share-btn"><i class="icon-unlink"></i> <span
            data-role="words">已订阅</span> <span data-role="num">{$data.watch_count}</span></a>
    <else/>
    <a data-goods_id="{$data.id}" data-role="watch" class="share-btn" data-toggle="tooltip" data-title="订阅该商品后，您可以接收到该商品的更新提示"><i class="icon-unlink"></i> <span
            data-role="words">订阅</span> <span data-role="num">{$data.watch_count}</span></a>
</eq>
<script>$(function(){
    $('[data-role="watch"]').tooltip('show');
});

</script>